Cat Compact Track and Multi Terrain Loaders:

279D3 Compact Track Loader

Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
4061 HP
Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
76 psi
ROPS
ISO 3471:2008
FOPS
ISO 3449:2005 Level I

The Cat® 279D3 Compact Track Loader, with its radial lift design, delivers impressive mid-lift reach and excellent digging performance with outstanding drawbar power. Its standard, suspended undercarriage system provides superior traction, flotation, stability and speed to work in a wide range of applications and underfoot conditions.



Product Specs

  • Hydraulic System

  • Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Pressure
    4061HP
    Hydraulic Flow - High Flow XPS - Hydraulic Power (Calculated)
    76psi
    Hydraulic Flow - Standard - Loader Hydraulic Pressure
    3335psi
    Hydraulic Flow - High Flow XPS - Maximum Loader Hydraulic Flow
    32gal/min
    Hydraulic Flow - Standard - Loader Hydraulic Flow
    23psi
    Hydraulic Flow - Standard - Hydraulic Power (Calculated)
    44HP
  • Cab

  • ROPS
    ISO 3471:2008
    FOPS
    ISO 3449:2005 Level I
  • Power Train

  • Travel Speed - Forward or Reverse - Two Speed
    8.3mile/h
    Travel Speed - Forward or Reverse - One Speed
    4.5mile/h
  • Service Refill Capacities

  • Hydraulic System
    13.7gal (US)
    Hydraulic Tank
    10.3gal (US)
    Fuel Tank
    27.7gal (US)
    Engine Crankcase
    3gal (US)
    Cooling System
    3.7gal (US)
  • Air Conditioning System (if equipped)

  • Air Conditioning
    The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.
  • Engine

  • Net Power - SAE 1349
    72.9HP
    Displacement
    203in³
    Bore
    3.7in
    Stroke
    4.7in
    Peak Torque - 1,500 rpm - SAE J1995
    195ft·lbf
    Net Power
    72.9HP
    Gross Power
    74.3HP
    Engine Model
    Cat C3.3B DIT (turbo)
    Net Power - ISO 9249
    73.7HP
    Gross Power - SAE J1995
    74.3HP
  • Operating Specifications

  • Tipping Load
    6345lb
    Breakout Force - Tilt Cylinder
    7285lb
    Rated Operating Capacities - 50% Tipping Load
    3170lb
    Ground Contact Area - With 450 mm/17.7 in Track
    2272in²
    Note
    Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
    Rated Operating Capacity with Optional Counterweight
    3390lb
    Ground Pressure - With 450 mm/17.7 in Track
    4.4psi
    Rated Operating Capacities - 35% Tipping Load
    2220lb
  • Weights

  • Note
    Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
    Operating Weight
    10095lb
  • Noise Level

  • Note (2)
    **The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed and at 70% of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan spe
    Outside Cab***
    103dB(A)
    Note (3)
    ***The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
    Inside Cab**
    83dB(A)
    Note (1)
    Cab and Rollover Protective Structures (ROPS) are standard in North America and Europe.
  • Dimensions

  • Length - Track on Ground
    64.2in
    Overall Length - Track
    83.8in
    Height - Top of Cab
    83.2in
    Ground Clearance
    8.9in
    Departure Angle
    32°
    Maximum Dump Angle
    39°
    Bucket Pin Height - Carry Position
    7.8in
    Turning Radius from Center - Machine Rear
    70.7in
    Turning Radius from Center - Coupler
    55.5in
    Maximum Overall Height
    159.5in
    Maximum Reach - With Arms Parallel to Ground
    54in
    Turning Radius from Center - Bucket
    88.8in
    Bucket Pin Height - Maximum Lift
    124.9in
    Length - With Bucket on Ground
    146.2in
    Length - Without Bucket
    117.9in
    Reach - Maximum Lift/Dump
    22.6in
    Note
    Operating Weight, Operating Specifications and Dimensions all based on 75 kg (165 lb) operator, all fluids, two speed, OROPS, 2036 mm (80 in) low profile bucket, 400 mm (15.7 in) tracks, dual flange front idler/single flange rear idler, standard flow hydr
    Clearance at Maximum Lift and Dump
    97.8in
    Vehicle Width (450 mm/17.7 in tracks)
    78in
    Rack Back Angle - Maximum Height
    84°

Equipment

  • Electrical
    • 12 volt Electrical System
    • 80 ampere Alternator
    • Ignition Key Start/Stop Switch
    • Lights: Gauge Backlighting, Two Rear Tail Lights, Two Rear Halogen Working Lights, Two Adjustable Front Halogen Lights, Dome Light
    • Backup Alarm
    • Heavy Duty Battery, 850 CCA
  • Operator Environment
    • Advanced Display with Rearview Camera: Full Color, 127 mm (5 in) LCD screen; Advanced Multi-operator Security System; On-screen Adjustments for Implement Response, Hystat Response, and Creep Control
    • Gauges: Fuel Level, Hour Meter
    • Operator Warning System Indicators: Air Filter Restriction, Alternator Output, Armrest Raised/Operator Out of Seat, Engine Coolant Temperature, Engine Oil Pressure, Glow Plug Activation, Hydraulic Filter Restriction, Hydraulic Oil Temperature, Park Brake Engaged, Engine Emission System
    • Adjustable Vinyl Seat
    • Fold In Ergonomic Contoured Armrest
    • Control Interlock System, when operator leaves seat or armrest raised: Hydraulic System Disables, Hydrostatic Transmission Disables, Parking Brake Engages
    • ROPS Cab, Open, Tilt Up
    • FOPS, Level I
    • Top and Rear Windows
    • Floor Mat
    • Interior Rearview Mirror
    • 12 volt Electric Socket
    • Horn
    • Hand (Dial) Throttle, Electronic
    • Adjustable Joystick Controls
    • Anti-theft Security System with 6-button Keypad
    • Storage Compartment with Netting
  • Power Train
    • Cat C3.3B, Turbo Diesel Engine, Meeting Tier 4 Final and Stage V Emission Standards
    • Air Cleaner, Dual Element, Radial Seal
    • S·O·SSM Sampling Valve, Hydraulic Oil
    • Filters, Cartridge-type, Hydraulic
    • Filters, Canister-type, Fuel and Water Separator
    • Radiator/Hydraulic Oil Cooler (side-by-side)
    • Spring Applied, Hydraulically Released, Wet Multi Disc Parking Brakes
    • Hydrostatic Transmission, Two Speed Travel
    • Suspension – Independent Torsion Axles (4)
  • Other
    • Engine Enclosure, Lockable
    • Extended Life Antifreeze, –37° C (–34° F)
    • Machine Tie Down Points (6)
    • Support, Lift Arm
    • Hydraulic Oil Level Sight Gauge
    • Radiator Coolant Level Sight Gauge
    • Radiator, Expansion Bottle
    • Cat ToughGuard Hose
    • Auxiliary, Hydraulics, Continuous Flow
    • Heavy Duty, Flat Faced Quick Disconnects with Integrated Pressure Release
    • Split D-Ring to Route Work Tool Hoses Along Side of Left Lift Arm
    • Electrical Outlet, Beacon
    • Belly Pan Cleanout
    • Variable Speed Demand Fan
    • Product Link PL240, Cellular
  • Mandatory Equipment
    • Hydraulics, Standard or High Flow XPS
    • Quick Coupler, Mechanical or Powered
    • High Visibility Seat Belt, 50 mm (2 in) or 75 mm (3 in)
    • Steel Imbed Rubber Track – 400 mm (15.7 in) or 450 mm (17.7 in)
    • Dual Flange Front Idler/Single Flange Rear Idler or Triple Flange Front/Rear Idlers
    • PERFORMANCE PACKAGES:
      – Performance Package H1: Standard Flow Hydraulics (No Self Level)
      – Performance Package H2: Standard Flow Hydraulics, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
      – Performance Package H3: High Flow XPS, Dual Direction Electronic Self Level (Raise and Lower), Work Tool Return to Dig, Work Tool Positioner, and Electronic Snubbing (Raise and Lower)
    • COMFORT PACKAGES:
      – Open ROPS (C0): Static Seat (No Foot Throttle, Headliner, Heater or Door)
      – Open ROPS (C1): Foot Throttle, Headliner, Cup Holder, and choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) (No Heater or Door)
      – Enclosed ROPS with Heater (C2): Foot Throttle, Headliner, Heater and Defroster, Side Windows, Cup Holder, Radio Ready, choice of Seat (Mechanical Suspension or High Back, Heated, Air Ride Seat) and Door (Glass or Polycarbonate)
      – Enclosed ROPS with A/C (C3): C2 + Air Conditioner
  • Optional Equipment
    • Hand-Foot Style Controls
    • External Counterweights
    • Beacon, Rotating
    • Engine Block Heater – 120V
    • Oil, Hydraulic, Cold Operation
    • Paint, Custom
    • Heavy Duty Battery, 1,000 CCA
    • Product Link PL641, Cellular
    • Speed Sensitive Ride Control
    • Bluetooth® Radio with Microphone (AM/FM/Weather Band Receiver with USB and Auxiliary Input Jack)

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